Atomizing structure and atomizer

This application is based on and claims the benefit of priority from Chinese Patent Application No. 202221013374.3, filed on 27 Apr. 2022, the entirety of which is incorporated by reference herein.

The disclosure relates to the technical field of atomizers, and particularly to an atomizing structure and an atomizer.

Medicine liquid is vaporized after being heated and then converted into steam, which is one of working methods of the existing atomizers. The medicine liquid enters a surface of a heating structure through pores of a porous structure, and after the heating structure is electrified, the medicine liquid is heated and vaporized quickly to form tiny medicine liquid particles. At present, common atomizers in the market generally have the problems of uneven and insufficient infiltration of atomized liquid, uneven atomization, low atomization efficiency, complicated assembly steps, and easy local overheating, which leads to decomposition or high-temperature chemical reaction due to excessive local temperature of the medicine liquid.

In order to solve at least one of the above technical problems, the disclosure provides an atomizing structure and an atomizer, and the following technical solution is used.

The atomizer provided by the disclosure comprises the atomizing structure.

The atomizing structure provided by the disclosure comprises a ceramic part, a heating part and a shell, wherein the heating part is connected with the ceramic part; and the ceramic part is arranged in the shell, a side wall of the shell is provided with a liquid inlet region extending through the side wall of the shell; wherein, an annular cavity is arranged between an inner wall of the shell and an outer wall of the ceramic part, the annular cavity is arranged around the outer wall of the ceramic part, an atomized liquid is capable of entering the annular cavity through the liquid inlet region, and the atomized liquid in the annular cavity is capable of entering the ceramic part through pores in the ceramic part.

In some embodiments of the disclosure, the ceramic part surrounds and forms an atomizing region, the atomizing region is provided with a gas dissipation channel, and the heating part is arranged on a side wall of the atomizing region.

In some embodiments of the disclosure, the heating part is embedded in the ceramic part.

In some embodiments of the disclosure, the heating part is provided with a plurality of grid structures.

In some embodiments of the disclosure, the heating part is set as a heating mesh.

In some embodiments of the disclosure, the ceramic part is provided with a protruding structure, the protruding structure is arranged between the inner wall of the shell and the outer wall of the ceramic part to form the annular cavity between the inner wall of the shell and the outer wall of the ceramic part.

In some embodiments of the disclosure, the protruding structure is set as an annular structure, two ends of the ceramic part are respectively provided with the annular structure, and the annular structure is arranged between the outer wall of the ceramic part and the inner wall of the shell to form the annular cavity between the inner wall of the shell and the outer wall of the ceramic part.

In some embodiments of the disclosure, the ceramic part is set to be in a cylindrical shape, and the annular structure is set as a circular annular structure; or, the ceramic part is set to be in a prism shape, and the annular structure is set as a polygonal annular structure.

In some embodiments of the disclosure, the atomizing structure comprises a conductive member, and the conductive member is connected with the heating part.

In some embodiments of the disclosure, a porosity of the ceramic part is 30% to 80%.

In some embodiments of the disclosure, a pore size of the ceramic part is 5 μm to 200 μm.

Embodiments of the disclosure have at least the following beneficial effects. In the atomizing structure, the annular cavity is designed to be formed between the outer wall of the ceramic part and the inner wall of the shell, the atomized liquid enters the annular cavity, the atomized liquid is accumulated in the annular cavity, and a space of the annular cavity surrounds the outer wall of the ceramic part, so that a contact area between the atomized liquid and the ceramic part can be increased, and the atomized liquid is promoted to fully infiltrate into the ceramic part, thus improving an atomization efficiency. The disclosure can be widely used in the technical field of atomizers.

Embodiments of the disclosure will be described in detail hereinafter with reference toto, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals throughout the drawings denote the same or similar elements or elements having the same or similar functions. The embodiments described hereinafter with reference to the drawings are exemplary, and are only used to explain the disclosure, but should not be understood as limiting the disclosure.

In the description of the disclosure, it should be understood that the orientation or position relationship indicated by the terms “center”, “middle”, “longitudinal”, “transverse”, “length”, “width”, “thickness”, “up”, “down”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “axial”, “radial”, “circumferential”, and the like is based on the orientation or position relationship shown in the drawings, it is only for the convenience of description of the disclosure and simplification of the description, and it is not to indicate or imply that the indicated device or element must have a specific orientation, and be constructed and operated in a specific orientation. Therefore, the terms should not be understood as limiting the disclosure. The features defined by “first” and “second” are used to distinguish between feature names, rather than having special meanings. In addition, the features defined by “first” and “second” may explicitly or implicitly comprise one or more of the features. In the description of the disclosure, unless otherwise specified, the term “multiple” refers to being two or more.

In the description of the disclosure, it should be noted that the terms “installation”, “connected” and “connection” should be understood in a broad sense unless otherwise specified and defined. For example, they may be fixed connection, removable connection or integrated connection; may be mechanical connection or electrical connection; and may be direct connection, or indirect connection through an intermediate medium, and connection inside two elements. The specific meanings of the above terms in the disclosure may be understood in a specific case by those of ordinary skills in the art.

The disclosure relates to an atomizer, the atomizer is capable of vaporizing an atomized liquid by heating to form steam, thus achieving an atomization effect. The atomizer may be used in fields requiring atomized steam, such as medical atomization and beauty atomization. Certainly, the atomizer may also be applied in other occasions requiring the atomized steam. The atomizer comprises an atomizing structure, the atomizing structure is arranged in the atomizer, and the atomizing structure can sever as an atomizing core.

It can be understood that the atomizer is provided with an exhaust structure, and specifically, the exhaust structure is provided as an exhaust plate with a plurality of exhaust holes. Certainly, as an alternative solution, the exhaust structure may also be designed as a gas nozzle.

In some examples, the atomizer is provided with a power supply module, the power supply module is capable of supplying power to the atomizing structure, and the power supply module is set as a lithium battery or the power supply module is set as a power adapter capable of being plugged into a power supply.

In some examples, the atomizer is provided with a liquid storage device capable of storing the atomized liquid, and the liquid storage device provides the atomized liquid to the atomizing structure through a liquid conveying channel. Certainly, it can be understood that, in some examples, an alternative design is that the atomizer is not provided with the liquid storage device, but is externally connected with the liquid storage device through a liquid conveying pipe.

Other structures and operations of the atomizer have been recorded in the related arts for those of ordinary skills in the art and will not be described in detail herein. A structure of the atomizing structure will be introduced hereinafter.

The disclosure relates to the atomizing structure, and the atomizing structure is capable of vaporizing the atomized liquid by heating. Specifically, the atomizing structure comprises a ceramic partand a heating part. The heating partis connected with the ceramic part, the atomized liquid is capable of infiltrating into the ceramic part, the heating partgenerates heat by electric heating, and the heat is capable of being conducted to the ceramic part, so that the atomized liquid in the ceramic partis vaporized by heating.

It can be understood that the ceramic parthas a porous structure, and the atomized liquid is capable of infiltrating into pores in the ceramic part. Specifically, the ceramic partis made of at least one of aluminium oxide, zirconium oxide, silicon carbide, silicon dioxide or diatomite. In some examples, a porosity of the ceramic partis designed to be 30% to 80%. In some examples, a pore size of the ceramic partis designed to be 5 μm to 200 μm.

With reference to the drawings, the atomizing structure comprises a shell. The ceramic partis arranged in the shell, a joint between the ceramic partand the shellis sealed, a side wall of the shellis provided with a liquid inlet region, and the liquid inlet regionextends through the side wall of the shell. It can be understood that the atomized liquid is capable of infiltrating into the ceramic partafter passing through the liquid inlet region.

Specifically, the liquid inlet regionis set as a through hole penetrating through the side wall of the shell. With reference to the drawings, there are through holes in multiple positions on the side wall of the shellto form a plurality of liquid inlet regions, so that the atomized liquid is capable of entering the shellfrom the multiple positions, thus increasing the atomized liquid in the atomizing structure.

In some examples, the ceramic partis set to be in a cylindrical shape, the side wall of the shellis arranged around the ceramic part, and the side wall of the shellis provided with the plurality of liquid inlet regionsin different directions, so that the atomized liquid is capable of entering the shellfrom the directions.

Further, an annular cavityis arranged between an inner wall of the shelland an outer wall of the ceramic part, the annular cavityis arranged around the outer wall of the ceramic part, and the annular cavityis capable of being used as a container of the atomized liquid. Specifically, the atomized liquid is capable of entering the annular cavitythrough the liquid inlet region, and the atomized liquid in the annular cavityis capable of entering the ceramic partthrough the pores in the ceramic part. It can be understood that, in this case, more atomized liquid is capable of being accumulated in the annular cavity, so that a contact area between the atomized liquid and the ceramic partis increased, which is helpful for the atomized liquid to fully infiltrate into the pores in the ceramic part, thus preventing the heating partfrom dry burning.

The ceramic partis provided with a protruding structure. Specifically, the protruding structure protrudes from the outer wall of the ceramic part, and the protruding structure is capable of abutting against the inner wall of the shell. It can be understood that the protruding structure is arranged between the inner wall of the shelland the outer wall of the ceramic part, so that the annular cavityis formed between the outer wall of the ceramic partand the inner wall of the shell, and a space formed by the annular cavityis a continuous cavity between the outer wall of the ceramic partand the inner wall of the shell.

Specifically, the protruding structure is set as an annular structure, and the annular structureis arranged along a circumferential direction of the outer wall of the ceramic part. Further, two ends of the ceramic partare respectively provided with the annular structure, and the annular structureis arranged between the outer wall of the ceramic partand the inner wall of the shellto form the annular cavitybetween the inner wall of the shelland the outer wall of the ceramic part. It can be understood that the annular cavityis a continuous annular space surrounding the outer wall of the ceramic part, so that the atomized liquid can fully infiltrate into the ceramic part, thus ensuring a continuous, fine, uniform and full atomization effect.

With reference to the drawings, the annular structurefacilitates sealing with the inner wall of the shell, and a space formed by the annular structuresat two ends, the outer wall of the ceramic partand the inner wall of the shellforms the annular cavity. In this case, the outer wall of the ceramic partand a wall surface of the annular structureare both capable of being contacted with the atomized liquid, so that the contact area between the atomized liquid and the ceramic partis further effectively increased, thus improving the atomization efficiency.

It can be understood that the ceramic partis integrally molded by sintering, so that two ends of the ceramic partare designed to be provided with the integrally molded annular structure. With reference to the drawings, the ceramic parthas an “I-shaped” structure, and this shape can also effectively improve a structural strength of the ceramic part.

Further, the inner wall of the shellis in sealing connection with the annular structureto prevent the atomized liquid from leaking. Specifically, a sealing ring may be arranged between the inner wall of the shelland the annular structure, or an adhesive may be used for adhesion, fixation and sealing.

In some examples, when the ceramic partis set to be in the cylindrical shape, the annular structureis set as a circular annular structure, and correspondingly, the inner wall of the shellis set as a circular annular wall surface. Certainly, as an alternative solution: in some examples, the ceramic partmay also be set to be in a prism shape, and correspondingly, the annular structureis set as a polygonal annular structure. It can be understood that the inner wall of the shellis set as a polygonal wall surface.

As an embodiment, the ceramic partsurrounds and forms an atomizing region, and the atomizing regionis provided with a gas dissipation channel-. The atomized liquid subjected to vaporization is dissipated from the ceramic partto the atomizing region, and then dissipated from the atomizing regionto the exhaust structure of the atomizer. Specifically, a hollow cavity is formed in the ceramic part, which is used as the atomizing regionof the ceramic part. Further, an end portion of the hollow cavity of the ceramic partis open, which is used as the gas dissipation channel-of the atomizing region.

The heating partis arranged on a side wall of the atomizing region. With reference to the drawings, the side wall on which the heating partis located is an inner wall of the hollow cavity of the ceramic part, and the heating partheats the atomized liquid in a process that the atomized liquid infiltrates into the inner wall of the ceramic partfrom the outer wall of the ceramic part. It can be understood that, in this case, there is fully infiltrated atomized liquid in the ceramic partto ensure that heat generated by the heating partis capable of being fully used for atomization, thus improving heating efficiency and atomization uniformity.

In some examples, the heating partis embedded in the ceramic partto form an integrated structure of the heating partand the ceramic part, which can promote heat conduction, reduce assembly steps of the atomizing structure, and realize miniaturization of the atomizing structure. Specifically, during sintering and molding of the ceramic part, the heating partis placed in a mold, and after finishing high-temperature sintering, the heating partis embedded in the ceramic part.

It can be understood that when the ceramic partis provided with the atomizing region, the heating partis embedded in the side wall of the atomizing region. Specifically, the heating partis embedded in the inner wall of the hollow cavity of the ceramic part, so that the heat generated by the heating partis capable of being fully conducted to the ceramic part, thus improving heating efficiency.

Certainly, as an alternative solution: in some examples, if the ceramic partis not provided with the hollow cavity, the heating partis embedded in the ceramic part, or the heating partis embedded in a surface of the ceramic part.

As an embodiment, the heating partis provided with a plurality of grid structures, so that the heating partis capable of being fully contacted with the ceramic part, and heat conduction can be enhanced. It can be understood that when the heating partis embedded in the ceramic part, the grid structure of the heating partcan more easily forming an embedded structure into the side wall of the ceramic part, which is more convenient for sintering and molding of the ceramic part, thus improving a connection strength between the heating partand the ceramic part.

With reference to the drawings, the heating partis set as a heating mesh, or a heating sheet with a plurality of grid structures formed by hollowing out. The heating partis arranged in the atomizing region along a circumferential direction of the side wall, and after the heating partis embedded in the ceramic part, the heating partis formed into the cylindrical shape, and the heat generated by the heating partis capable of being uniformly conducted to all positions on the ceramic part, thus realizing large-area heating and miniaturization of the atomizing structure.

In the related art, a spiral heating wire is used for heat generation, and the heating wire has a small heating area, resulting in that the atomization efficiency is low, and it is easy to lead to local high temperature. However, the heating partof the disclosure is set as the heating mesh, which can increase the heating area and improve the atomization efficiency, and grids of the heating mesh are evenly distributed, leading to uniform heating and atomization, and a good atomization effect.

It can be understood that the heating partis made of a metal material, and specifically, the heating partis made of Fe—Cr—Al alloy or Ni—Cr alloy.

A power supply module of the atomizer is capable of supplying power to the atomizing structure. It can be understood that the atomizing structure comprises a conductive member, the conductive memberis connected with the heating part, the conductive memberis connected with the power supply module of the atomizer, and the conductive memberconducts electricity for the heating part. With reference to the drawings, two conductive membersare provided, and the two conductive membersare respectively connected with a positive electrode and a negative electrode of the power supply module.

Specifically, the conductive memberis set as a wire, the conductive memberis made of nickel alloy, copper alloy or iron alloy, and the conductive memberis welded and fixed with the heating part. Certainly, as an alternative solution, the conductive membermay also be set as a pin.

In the descriptions of the specification, the descriptions with reference to the terms “one embodiment”, “some instances”, “some embodiments”, “illustrative embodiment”, “example”, “specific example” or “some examples”, etc., refer to that specific features, structures, materials, or characteristics described with reference to the embodiments or examples are included in at least one embodiment or example of the disclosure. In the specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

The embodiments of the disclosure are described in detail with reference to the drawings above, but the disclosure is not limited to the above embodiments, and various changes may also be made within the knowledge scope of those of ordinary skills in the art without departing from the purpose of the disclosure.